/*
  -----------------------------------------------------------------------------
  This source file is part of OGRE-Next
  (Object-oriented Graphics Rendering Engine)
  For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2014 Torus Knot Software Ltd

  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:

  The above copyright notice and this permission notice shall be included in
  all copies or substantial portions of the Software.

  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  THE SOFTWARE.
  -----------------------------------------------------------------------------
*/

#ifndef _OgreMetalHardwareBufferManager_H_
#define _OgreMetalHardwareBufferManager_H_

#include "OgreMetalPrerequisites.h"

#include "OgreHardwareBufferManager.h"

namespace Ogre
{
    namespace v1
    {
        /// Implementation of HardwareBufferManager for Metal.
        class _OgreMetalExport MetalHardwareBufferManagerBase final : public HardwareBufferManagerBase
        {
        protected:
            MetalDiscardBufferManager *mDiscardBufferManager;

        public:
            MetalHardwareBufferManagerBase( MetalDevice *device, VaoManager *vaoManager );
            ~MetalHardwareBufferManagerBase() override;

            void _notifyDeviceStalled();

            MetalDiscardBufferManager *_getDiscardBufferManager() { return mDiscardBufferManager; }

            /// Creates a vertex buffer
            HardwareVertexBufferSharedPtr createVertexBuffer( size_t vertexSize, size_t numVerts,
                                                              HardwareBuffer::Usage usage,
                                                              bool useShadowBuffer = false ) override;
            /// Create an index buffer
            HardwareIndexBufferSharedPtr createIndexBuffer( HardwareIndexBuffer::IndexType itype,
                                                            size_t                         numIndexes,
                                                            HardwareBuffer::Usage          usage,
                                                            bool useShadowBuffer = false ) override;
        };

        /// MetalHardwareBufferManagerBase as a Singleton
        class _OgreMetalExport MetalHardwareBufferManager final : public HardwareBufferManager
        {
        public:
            MetalHardwareBufferManager( MetalDevice *device, VaoManager *vaoManager ) :
                HardwareBufferManager( OGRE_NEW MetalHardwareBufferManagerBase( device, vaoManager ) )
            {
            }
            ~MetalHardwareBufferManager() override { OGRE_DELETE mImpl; }

            void _notifyDeviceStalled()
            {
                static_cast<MetalHardwareBufferManagerBase *>( mImpl )->_notifyDeviceStalled();
            }
        };
    }  // namespace v1
}  // namespace Ogre

#endif
